an individual who explores the anal passageways of another, through use of a tool such as a dildo or a penis. derived from ass, the anal region of the human body, while spelunking is cave exploring, thus the act of exploring the cavities of ones asshole. also used to describe a homosexual.
"boys i dont think mr garrison would say eat penguin shit you ass spelunker, m'kay?"
by Anonymous August 2, 2003
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(n) Any person who penetrates another person's anus for sexual gratification. Often referred to in homosexuality, however has been known to be referred by straight couples in masochistic sexual positions.

(adj) anal-spelunking the act of having anal sex with another person.
Tom was referred to as an anal-spelunker by his co-workers because he had a boyfriend.

John asked his wife if he could do some anal-spelunking tonight.

Antonio and Sergio claim to be anal-spelunkers
by Randomus August 12, 2006
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The hobby or practice of exploring the caverns of the face.

Often practiced in tandem with booger bombing.
Cube slave 1: "Dude, I'm soooo damn bored..."
Cube slave 2: "You should take up facial spelunking."
Cube slave 1: "Man, I'm so past that, I've been booger bombing you for hours..."
by liveMike June 19, 2008
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The act of breaking into and exploring large abandoned buildings in a city.
I got a ticket from the cops when they caught me urban spelunking in the old train station.
by Digby February 26, 2003
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The act of inserting an illumiated flashlight into a female's rectum, then spreading her labium with both hands, attempting to "see the light"
I lost my class ring in Kristen's gaping cavern, and had to perform a Greek Spelunker in a valiant attempt to recover the lost treasure.
by Darryl N January 22, 2007
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The act of kickin it in your room by yourself. All men need to get away now and then, telling your friends your gonna be mancave spelunking is a way for a guy to get away with being anti-social.
Friend 1: what you gonna do now?
Friend 2: ima go mancave spelunking for a while, see where it takes me...
by Realmanfuronchest June 22, 2010
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One who explores the deepest,darkest recesses of someone's crap cave.
As I went butt spelunking in Suzy, I think I shot a wad into her upper intestinal tract.
by rev. ray April 8, 2004
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